2 Copyright (C) 2002 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include <sigc++/bind.h>
27 #include "ardour/automation_list.h"
28 #include "ardour/event_type_map.h"
29 #include "evoral/Curve.hpp"
30 #include "pbd/stacktrace.h"
31 #include "pbd/enumwriter.h"
36 using namespace ARDOUR;
39 sigc::signal<void,AutomationList *> AutomationList::AutomationListCreated;
42 static void dumpit (const AutomationList& al, string prefix = "")
44 cerr << prefix << &al << endl;
45 for (AutomationList::const_iterator i = al.const_begin(); i != al.const_end(); ++i) {
46 cerr << prefix << '\t' << (*i)->when << ',' << (*i)->value << endl;
52 AutomationList::AutomationList (Evoral::Parameter id)
59 create_curve_if_necessary();
61 assert(_parameter.type() != NullAutomation);
62 AutomationListCreated(this);
65 AutomationList::AutomationList (const AutomationList& other)
66 : StatefulDestructible()
69 _style = other._style;
70 _state = other._state;
71 _touching = other._touching;
73 create_curve_if_necessary();
75 assert(_parameter.type() != NullAutomation);
76 AutomationListCreated(this);
79 AutomationList::AutomationList (const AutomationList& other, double start, double end)
80 : ControlList(other, start, end)
82 _style = other._style;
83 _state = other._state;
84 _touching = other._touching;
86 create_curve_if_necessary();
88 assert(_parameter.type() != NullAutomation);
89 AutomationListCreated(this);
92 /** \a id is used for legacy sessions where the type is not present
93 * in or below the <AutomationList> node. It is used if \a id is non-null.
95 AutomationList::AutomationList (const XMLNode& node, Evoral::Parameter id)
102 set_state (node, Stateful::loading_state_version);
108 create_curve_if_necessary();
110 assert(_parameter.type() != NullAutomation);
111 AutomationListCreated(this);
114 AutomationList::~AutomationList()
119 boost::shared_ptr<Evoral::ControlList>
120 AutomationList::create(Evoral::Parameter id)
122 return boost::shared_ptr<Evoral::ControlList>(new AutomationList(id));
126 AutomationList::create_curve_if_necessary()
128 switch (_parameter.type()) {
131 case FadeInAutomation:
132 case FadeOutAutomation:
133 case EnvelopeAutomation:
142 AutomationList::operator== (const AutomationList& other)
144 return _events == other._events;
148 AutomationList::operator= (const AutomationList& other)
150 if (this != &other) {
154 for (const_iterator i = other._events.begin(); i != other._events.end(); ++i) {
155 _events.push_back (new Evoral::ControlEvent (**i));
158 _min_yval = other._min_yval;
159 _max_yval = other._max_yval;
160 _max_xval = other._max_xval;
161 _default_value = other._default_value;
164 maybe_signal_changed ();
171 AutomationList::maybe_signal_changed ()
173 ControlList::maybe_signal_changed ();
176 StateChanged (); /* EMIT SIGNAL */
181 AutomationList::set_automation_state (AutoState s)
185 automation_state_changed (); /* EMIT SIGNAL */
190 AutomationList::set_automation_style (AutoStyle s)
194 automation_style_changed (); /* EMIT SIGNAL */
199 AutomationList::start_touch ()
206 AutomationList::stop_touch ()
213 AutomationList::freeze ()
219 AutomationList::thaw ()
223 if (_changed_when_thawed) {
224 StateChanged(); /* EMIT SIGNAL */
229 AutomationList::mark_dirty () const
231 ControlList::mark_dirty ();
232 Dirty (); /* EMIT SIGNAL */
236 AutomationList::get_state ()
242 AutomationList::state (bool full)
244 XMLNode* root = new XMLNode (X_("AutomationList"));
246 LocaleGuard lg (X_("POSIX"));
248 root->add_property ("automation-id", EventTypeMap::instance().to_symbol(_parameter));
250 root->add_property ("id", _id.to_s());
252 snprintf (buf, sizeof (buf), "%.12g", _default_value);
253 root->add_property ("default", buf);
254 snprintf (buf, sizeof (buf), "%.12g", _min_yval);
255 root->add_property ("min-yval", buf);
256 snprintf (buf, sizeof (buf), "%.12g", _max_yval);
257 root->add_property ("max-yval", buf);
258 snprintf (buf, sizeof (buf), "%.12g", _max_xval);
259 root->add_property ("max-xval", buf);
261 root->add_property ("interpolation-style", enum_2_string (_interpolation));
264 root->add_property ("state", auto_state_to_string (_state));
266 /* never save anything but Off for automation state to a template */
267 root->add_property ("state", auto_state_to_string (Off));
270 root->add_property ("style", auto_style_to_string (_style));
272 if (!_events.empty()) {
273 root->add_child_nocopy (serialize_events());
280 AutomationList::serialize_events ()
282 XMLNode* node = new XMLNode (X_("events"));
285 str.precision(15); //10 digits is enough digits for 24 hours at 96kHz
287 for (iterator xx = _events.begin(); xx != _events.end(); ++xx) {
288 str << (double) (*xx)->when;
290 str <<(double) (*xx)->value;
294 /* XML is a bit wierd */
296 XMLNode* content_node = new XMLNode (X_("foo")); /* it gets renamed by libxml when we set content */
297 content_node->set_content (str.str());
299 node->add_child_nocopy (*content_node);
305 AutomationList::deserialize_events (const XMLNode& node)
307 if (node.children().empty()) {
311 XMLNode* content_node = node.children().front();
313 if (content_node->content().empty()) {
320 stringstream str (content_node->content());
336 fast_simple_add (x, y);
341 error << _("automation list: cannot load coordinates from XML, all points ignored") << endmsg;
344 reposition_for_rt_add (0);
345 maybe_signal_changed ();
354 AutomationList::set_state (const XMLNode& node, int version)
356 XMLNodeList nlist = node.children();
358 XMLNodeIterator niter;
359 const XMLProperty* prop;
361 if (node.name() == X_("events")) {
362 /* partial state setting*/
363 return deserialize_events (node);
366 if (node.name() == X_("Envelope") || node.name() == X_("FadeOut") || node.name() == X_("FadeIn")) {
368 if ((nsos = node.child (X_("AutomationList")))) {
369 /* new school in old school clothing */
370 return set_state (*nsos, version);
375 const XMLNodeList& elist = node.children();
376 XMLNodeConstIterator i;
384 for (i = elist.begin(); i != elist.end(); ++i) {
386 if ((prop = (*i)->property ("x")) == 0) {
387 error << _("automation list: no x-coordinate stored for control point (point ignored)") << endmsg;
390 x = atoi (prop->value().c_str());
392 if ((prop = (*i)->property ("y")) == 0) {
393 error << _("automation list: no y-coordinate stored for control point (point ignored)") << endmsg;
396 y = atof (prop->value().c_str());
398 fast_simple_add (x, y);
406 if (node.name() != X_("AutomationList") ) {
407 error << string_compose (_("AutomationList: passed XML node called %1, not \"AutomationList\" - ignored"), node.name()) << endmsg;
411 if ((prop = node.property ("id")) != 0) {
412 _id = prop->value ();
413 /* update session AL list */
414 AutomationListCreated(this);
417 if ((prop = node.property (X_("automation-id"))) != 0){
418 _parameter = EventTypeMap::instance().new_parameter(prop->value());
420 warning << "Legacy session: automation list has no automation-id property.";
423 if ((prop = node.property (X_("interpolation-style"))) != 0) {
424 _interpolation = (InterpolationStyle)string_2_enum(prop->value(), _interpolation);
426 _interpolation = Linear;
429 if ((prop = node.property (X_("default"))) != 0){
430 _default_value = atof (prop->value().c_str());
432 _default_value = 0.0;
435 if ((prop = node.property (X_("style"))) != 0) {
436 _style = string_to_auto_style (prop->value());
441 if ((prop = node.property (X_("state"))) != 0) {
442 _state = string_to_auto_state (prop->value());
447 if ((prop = node.property (X_("min_yval"))) != 0) {
448 _min_yval = atof (prop->value ().c_str());
453 if ((prop = node.property (X_("max_yval"))) != 0) {
454 _max_yval = atof (prop->value ().c_str());
459 if ((prop = node.property (X_("max_xval"))) != 0) {
460 _max_xval = atof (prop->value ().c_str());
462 _max_xval = 0; // means "no limit ;
465 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
466 if ((*niter)->name() == X_("events")) {
467 deserialize_events (*(*niter));